OBD-II code · Powertrain (generic, extended)
P2473 Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 3
The voltage of EGT sensor 3 on bank 1 is above the calibrated maximum. Often a sign of an open sensor circuit or a short to supply voltage.
Is it safe to drive with P2473?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen sensor circuit
- PossibleSignal shorted to supply
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Exhaust Gas Temperature Sensor, Egt Wiring
Related codes
- P0549Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 1
- P242DExhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 3
- P2469Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 3
- P2476Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 4
- P2482Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 5
- P2487Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 5
- P2EA2Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 6
- P2470Exhaust Gas Temperature Sensor Circuit Intermittent Bank 1 Sensor 3
- P2471Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3
- P2472Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3
- P2474Exhaust Gas Temperature Sensor Circuit Range or Performance Bank 2 Sensor 4
- P2475Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 4
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.